UPDATE: The National Trust has now confirmed the deposits were peat and 'nothing to worry about'. Read an update to this story here.

https://twitter.com/NorfolkCoastNT/status/1047054010803544065

Dog owners have been warned about deposits of palm oil which have been washed up on the beach at Brancaster in north Norfolk. The National Trust has reported the substance, which is poisonous to dogs, has been spotted on the beach.

Palm oil deposits were found on several north Norfolk beaches earlier this year, and left some dogs critically ill.

The Norfolk Coast National Trust said on social media: 'We have had reports of potential palm oil deposits washing up on Brancaster Beach. We are currently investigating but dog owners please be aware and do not allow your dog to pick up and eat anything off the beach. We will update later.'

One dog called Jake, a Jack Russell mix, contracted pancreatitis having consumed an amount of palm oil which had washed up during sea storms.

Eastern Daily Press: A lump of palm oil found near Southwold. Picture: Steve WalkerA lump of palm oil found near Southwold. Picture: Steve Walker (Image: Archant)

He and his owner had recently visited Sea Palling and Cromer beaches.

At the time, Dr Andrew Turner, from the Centre for Environment, Fisheries and Aquaculture Science said: 'Simple precautions should be followed to ensure that pets and people do not eat anything they find on the beach.'

This may include keeping a closer eye on dogs on the beach, or muzzling those who may try to eat washed up fish.

MORE: 'I wouldn't want anyone to go through what I've been through': Owner's heartbreak after dog consumes palm oil on Norfolk beach.

Eastern Daily Press: Vet Walter Stohr with some palm oil that has been washed up beaches. The oil causes harm to animals. Picture: NICK BUTCHERVet Walter Stohr with some palm oil that has been washed up beaches. The oil causes harm to animals. Picture: NICK BUTCHER (Image: Nick Butcher Photography 01502 714843)

MORE: Oil which is toxic to dogs washed up on north Norfolk beaches

Eastern Daily Press: A dog and walker on Brancaster beach. Picture: Ian BurtA dog and walker on Brancaster beach. Picture: Ian Burt (Image: Ian Burt)